#include <ctime>
#include <iostream>
#include <fstream>

using namespace std;

void bubbleSort(int list[], int listLength) {
    while(listLength--)     {
        bool swapped = false;

            for(int i = 0; i < listLength; i++) {
                    if(list[i] > list[i + 1]) {
                            swap(list[i], list[i + 1]);
                            swapped = true;
                    }
            }

            if(swapped == false) break;
    }
}

void read_from_file(const char *filename, int a[], int length) {
    ifstream file(filename);

    for(int i=0; i < length; i++)
        file >> a[i];
}

int main()
{
     #define LEN 5000
     int a[LEN];

     read_from_file("m1_sorted.txt",a,LEN);
     unsigned int t_start = clock();
     bubbleSort(a,LEN);
     unsigned int t_finish = clock();
     unsigned int t_work = t_finish - t_start;
     cout << "m1_sorted" << t_work << "milliseconds \n";

     read_from_file("m2_reverse.txt",a,LEN);
     t_start = clock();
     bubbleSort(a,LEN);
     t_finish = clock();
     t_work = t_finish - t_start;
     cout << "m2_reverse" << t_work << "milliseconds \n";

     read_from_file("m3_shuffle.txt",a,LEN);
     t_start = clock();
     bubbleSort(a,LEN);
     t_finish = clock();
     t_work = t_finish - t_start;
     cout << "m3_shuffle" << t_work << "milliseconds \n";

     return 0;
}
